irony

n. [ L. ironia, Gr. &unr_; dissimulation, fr. &unr_; a dissembler in speech, fr. &unr_; to speak; perh. akin to E. word: cf. F. ironie. ] [ 1913 Webster ]

1. Dissimulation; ignorance feigned for the purpose of confounding or provoking an antagonist. [ 1913 Webster ]

2. A sort of humor, ridicule, or light sarcasm, which adopts a mode of speech the meaning of which is contrary to the literal sense of the words. [ 1913 Webster ]